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  1. #1
    Join Date
    Jan 2007
    Location
    Rosetown, SK.
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    519

    Default Cordless 5" angle grinders

    With 3 - 5" grinders on the bench cords are always tangled. One with 1/4" grinder disc,one with zipcut & one with flapwheel. Was wondering if anyone has experience with the cordless models. Do they have enough torque,how does battery last, & any brand recommendations.
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  2. #2
    Join Date
    Dec 2007
    Location
    Los Angeles
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    2,840

    Default

    Only good for short duration.

    I only use it when I know I'll only need a quick zip or flap wheel application- otherwise it's the cordered version.
    Last edited by Broccoli1; 08-30-2013 at 08:29 AM.
    Ed Conley
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  3. #3
    Join Date
    Dec 2008
    Location
    Arizona
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    812

    Default

    My wife got me a DeWalt cordless for Christmas, I was totally disappointed in both the performance and battery life. RPM's are too slow, 6500 vs 10,000 for the corded model (which I really like).
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  4. #4
    Join Date
    Dec 2012
    Location
    Front Royal, Va
    Posts
    64

    Default

    Ive tried Ryobi, Dewalt and a smaller Dremal. I worked in the feild a lot and my employer tried a lot of tools. None had the power, battery life or rpm's to do much of anything. I will not by a battery grinder. I like my Ryobi 18V drills, sawzaw and circular saw. The circular doesn't have great power but is fine for 2x4s and ply wood.
    I by the black & Decker model 4 1/2". I have had 1 for 10+ years, lots of use with no problems. I agree about the cords being in the way. I roll the cords into a 6" loop and tie with a piece of aluminum tie wire (just a quick one twist). I hate the cords rolled around the grinder, the cord develops a memory and ends up kissing the grinding wheel. ..........Just saying..........

  5. #5
    Join Date
    Sep 2005
    Location
    16919 Pole Rd. Brethren, MI 49619
    Posts
    4,376

    Default

    I am going to buy one, a Milwaukee but I am on a 28v battery system and not for bench work.

  6. #6
    Join Date
    Jan 2007
    Location
    Rosetown, SK.
    Posts
    519

    Default

    So far does not sound like it will work well in a commercial shop like ours ' . Thanks for the input so far & welcome more opinions.
    252 Miller Mig
    180 Synchrowave
    R - 45 Milling Machine
    Kingston 1100 Lathe
    Miller 2050 Plasma Cutter

  7. #7
    Join Date
    Sep 2005
    Location
    16919 Pole Rd. Brethren, MI 49619
    Posts
    4,376

    Default

    Drilling is great from battery power, cutting and sawing are more greedy. Something that helps is to take a look at outlet locations etc, makes a huge difference and really the only corded tool I use is a grinder. Outlet under the bench top works.

    As a side note, the real deal in the grinder world is the 7750 from Walmart for under 30 off the shelf 24/7. I did score 2 for 20 a piece from Menards on a sale and tossed them on the shelf and a spare on my service truck.

    HF has cheap grinders but they are not the same as this one. Its on a Dewalt chassis and where they tried to cheapen it they made it better along the way, the cord lasts as do the brushes.

  8. #8
    Join Date
    Dec 2012
    Location
    Front Royal, Va
    Posts
    64

    Default

    S. Berry, I bought one of the 7750 black and deckers a year ago after seeing your post some were. I am very pleased with the grinder. I use it a bunch and sure is nice to have two or three on hand.........
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  9. #9
    Join Date
    Apr 2011
    Posts
    360

    Default

    Quote Originally Posted by Sberry View Post
    As a side note, the real deal in the grinder world is the 7750 from Walmart for under 30 off the shelf 24/7. I did score 2 for 20 a piece from Menards on a sale and tossed them on the shelf and a spare on my service truck.
    They look to be $40 now...? $32 at ACE.
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  10. #10
    Join Date
    Sep 2005
    Location
    16919 Pole Rd. Brethren, MI 49619
    Posts
    4,376

    Default

    I couldnt believe Menards dumped them to 20, Kmart had one for 28. Its easy to get caught up0 when one raves about a tool but these have went thru testing, I got one that outlasted at least 3 other commercial units at 100 a shot, when you get 30$ to replace 300 its worthy of a note.

    I wouldn't be surprised they try to raise the price on this, it sells for about 90 with a yellow jacket at Home Depot. (90 last time I looked several years ago.) I managed to wear the switch out on one, repaired it once in about 5 minutes and now it went south, it was on the bench where it really worked for years, I replaced it, one of these days it is still worthy of a switch and I dont care if it cost 30, it works.

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